"Why, it's the chance of a life—for you," he said boisterously.
They all laughed, not boisterously, actually an appreciative laugh.
With that excellent reason for being in a hurry, Allan boisterously broke away.
The latter was no sooner visible, than Rigaud rushed at him and embraced him boisterously.
Then the old man threw back his head and laughed, and the old lady laughed too, not so boisterously.
“Why, I ought to feel your pulse now, and not you mine,” he said boisterously.
The boys welcomed him boisterously, then George poured out all the news he had obtained.
He was at once boisterously urged to draw up to the table between us.
Sir Aaron Armstrong, as he boisterously explained, had no nerves.
The short man haw-hawed again, but not quite so boisterously.
late 15c., unexplained alteration of Middle English boistous (c.1300) "rough, coarse (as of food), clumsy, violent," of unknown origin, perhaps from Anglo-French bustous "rough (road)," which is perhaps from Old French boisteos "curved, lame; uneven, rough" (Modern French boiteux), itself of obscure origin. Another guess traces it via Celtic to Latin bestia. Used of persons from 1560s. Related: Boisterously; boisterousness.